Решите уравнения.
67-(34+y)-56=73
98-45-z-38=42
плизз очень надо
1)67-34-y-56=73
-y=73-67+34+56
-y=96
y=-96
2)98-45-z-38=42
-z=42-98+45+38
-z=25
z=-25
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Answers & Comments
1)67-34-y-56=73
-y=73-67+34+56
-y=96
y=-96
2)98-45-z-38=42
-z=42-98+45+38
-z=25
z=-25